20632025 has 6 divisors (see below), whose sum is σ = 25583742. Its totient is φ = 16505600.

The previous prime is 20631991. The next prime is 20632037. The reversal of 20632025 is 52023602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 802816 + 19829209 = 896^2 + 4453^2 .

It is not a de Polignac number, because 20632025 - 2¹⁶ = 20566489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20631988 and 20632006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412616 + ... + 412665.

It is an arithmetic number, because the mean of its divisors is an integer number (4263957).

Almost surely, 2^20632025 is an apocalyptic number.

20632025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20632025 is a deficient number, since it is larger than the sum of its proper divisors (4951717).

20632025 is an equidigital number, since it uses as much as digits as its factorization.

20632025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825291 (or 825286 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20632025 is about 4542.2488923440. The cubic root of 20632025 is about 274.2714600598.

Adding to 20632025 its reverse (52023602), we get a palindrome (72655627).

The spelling of 20632025 in words is "twenty million, six hundred thirty-two thousand, twenty-five".